Sharjeel has a container holding a mixture of wine and water in the ratio 4:1. He accidentally spills some of this mixture and then refills the container with an equal amount of water. After this, the ratio of wine to water changes to 3:2. What fraction of the mixture did Sharjeel replace with water?
Explanation
Initially, the ratio of wine to water is 4:1. After spilling and replacing with water, the ratio changes to 3:2. Calculating the fraction of the mixture replaced leads to the answer one-quarter.